Welcome To High-Tensile WirelocManufacturingAt High-Tensile Wireloc, we manufacture the most reliable locking nut in the fastener industry.The COLOC is an all metal locking nut that unifies vibration resistance and high temperature applications, up to 800F. Our COLOC wireloc design is the only lock nut to use when plating thickness can vary, such as hot dip galvanizing.

The COLOC: The Locknut with visible proof of locking action

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